Portal Hosts Round Table on Next Generation Networks and Media; Round Table Chaired by David Molony, Editor-in-Chief of Total Telecom

Senior executives from France Telecom, O2, Oracle, Turkcell, Ovum,Accenture and Swisscom Mobile were all in attendance, demonstratingPortal's position within the telecommunications industry. Thediscussion, which lasted for about an hour and a half, covered manyaspects on the billing and revenue management industry. The roundtablehas been recorded, and an edited version of the discussion will bepublished in the April edition of Total Telecom.

Bhaskar Gorti, Portal's senior vice president of Worldwide Sales,Services, Marketing and Alliances, had this to say about the roundtable, "It is very important to Portal that we are able to spark adebate and fully discuss the issues surrounding next generationnetworks. With such eminent members of the telecom industry alsoattending, it is clear that this is a subject relevant to the globalbusiness world and one that has the potential to generate a lot ofgrowth for the telecommunications industry."

About Portal Software, Inc.

Portal is the leading worldwide provider of billing and RevenueManagement solutions for the global communications and media markets.The company delivers the only platform for the end-to-end managementof customer revenue across offerings, channels, and geographies.Portal's solutions enable companies to dramatically accelerate thelaunch of innovative, profit-rich services while significantlyreducing the costs associated with legacy billing systems. Portal isthe Revenue Management partner of choice to the world's leadingservice providers, including Vodafone, AOL Time Warner, DeutscheTelekom, Telstra, NTT, China Telecom, Reuters, China Mobile, TelenorMobil, and France Telecom.

Forward Looking Statement

Statements in this release regarding potential customerrelationships, the possibility of Portal providing contractedservices, and realizing future financial gains are forward lookingstatements. Such forward looking statements may not materialize andinvolve significant uncertainties and risks. These and other factorsare described in detail in our Annual Report on Form 10-K for thefiscal year ended January 31, 2004 and our quarterly reports on Form10-Q. All statements made in this press release are made only as ofthe date set forth at the beginning of this release. Portal undertakesno obligation to update the information in this release in the eventfacts or circumstances subsequently change.

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